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Travellers look at a departures screen inside a terminal during a ground stop at Ronald Reagan Washington National Airport in Arlington, Virginia, on March 13, 2026.
| Photo Credit: AFP
Four airports serving Washington, D.C., Baltimore and Richmond, Virginia, halted all flights on Friday (March 13, 2026) evening for over an hour because of a strong chemical smell that was impeding air traffic controllers, according to the Federal Aviation Administration.
The ground stop affected Ronald Reagan Washington National Airport, Washington Dulles International Airport, Baltimore-Washington International Airport and Richmond International Airport, FAA Secretary Sean Duffy announced on social media on Friday (March 13, 2026). The declaration caused flight delays to soar to roughly two hours across some of the busiest airports in the country.
Flights began to leave the airports after 7 p.m. ET on Friday (March 13, 2026), but the ground stop — which prevents planes from landing at an airport — remained in place.
The smell was coming from Potomac TRACON, Mr. Duffy wrote, referring to a terminal radar approach control facility that manages air traffic for the Washington, D.C., Baltimore, Richmond, Virginia, and the Richmond-Charlottesville areas, according to the FAA website.
A spokesperson for the federal agency didn’t respond to an emailed question clarifying how the smell was affecting traffic controllers on Friday (March 13, 2026) evening.
Between 25% and one-third of all flights departing from the four airports affected were delayed after the ground stop.
Published – March 14, 2026 11:54 am IST
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Strong chemical smell forces one-hour flight halt at four major Washington DC-area airports
